U.S., Iran discussing new proposals to break nuclear impasse: sources

VIENNA (Reuters) - U.S. Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif are working on new proposals aimed at breaking the deadlock in nuclear talks between Tehran and six world powers, sources close to the talks said on Friday. The sources, who spoke to Reuters on condition of anonymity, said the top Iranian and U.S. diplomats were preparing ideas that could be ...